[INFO] fetching crate IMAPServer-shared 0.1.0...
[INFO] checking IMAPServer-shared-0.1.0 against try#ac4c3613be2acd5395b65d85e5657b81e3c982f0 for pr-154585
[INFO] extracting crate IMAPServer-shared 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate IMAPServer-shared 0.1.0
[INFO] finished tweaking crates.io crate IMAPServer-shared 0.1.0
[INFO] tweaked toml for crates.io crate IMAPServer-shared 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate IMAPServer-shared 0.1.0 on toolchain ac4c3613be2acd5395b65d85e5657b81e3c982f0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ac4c3613be2acd5395b65d85e5657b81e3c982f0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ac4c3613be2acd5395b65d85e5657b81e3c982f0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 152 packages to latest compatible versions
[INFO] [stderr]       Adding diesel v1.4.8 (available: v2.3.7)
[INFO] [stderr]       Adding diesel_migrations v1.4.0 (available: v2.3.1)
[INFO] [stderr]       Adding rand v0.7.3 (available: v0.10.0)
[INFO] [stderr]       Adding serde_yaml v0.8.26 (available: v0.9.34+deprecated)
[INFO] [stderr]       Adding tokio v0.2.25 (available: v1.51.0)
[INFO] [stderr]       Adding tokio-util v0.2.0 (available: v0.7.18)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ac4c3613be2acd5395b65d85e5657b81e3c982f0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ac4c3613be2acd5395b65d85e5657b81e3c982f0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb4e69c7cb5c475f658c4395018c49be49cdaebecf071312c65f0e82e79efb3a
[INFO] running `Command { std: "docker" "start" "-a" "cb4e69c7cb5c475f658c4395018c49be49cdaebecf071312c65f0e82e79efb3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb4e69c7cb5c475f658c4395018c49be49cdaebecf071312c65f0e82e79efb3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb4e69c7cb5c475f658c4395018c49be49cdaebecf071312c65f0e82e79efb3a", kill_on_drop: false }`
[INFO] [stdout] cb4e69c7cb5c475f658c4395018c49be49cdaebecf071312c65f0e82e79efb3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ac4c3613be2acd5395b65d85e5657b81e3c982f0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32a41c6d2f81e46208b26c14346b10a8f13110dd8e7e73c0a8a92246facf0c84
[INFO] running `Command { std: "docker" "start" "-a" "32a41c6d2f81e46208b26c14346b10a8f13110dd8e7e73c0a8a92246facf0c84", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling libc v0.2.184
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling gimli v0.32.3
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling libsqlite3-sys v0.22.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling rustc-demangle v0.1.27
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling bindgen v0.48.1
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling hashbrown v0.1.8
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling clang-sys v0.26.4
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.17.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking futures-channel v0.3.32
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling cc v1.2.59
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]     Checking futures-util v0.3.32
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]    Compiling addr2line v0.25.1
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/ac4c3613be2acd5395b65d85e5657b81e3c982f0/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.109/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=459503eeb6e58e03 -C extra-filename=-2776fc9e066a61ba --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-d4cb564e807a9cd7.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-aa2c5b8519914b46.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-8c98a1a0e58216a9.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "32a41c6d2f81e46208b26c14346b10a8f13110dd8e7e73c0a8a92246facf0c84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32a41c6d2f81e46208b26c14346b10a8f13110dd8e7e73c0a8a92246facf0c84", kill_on_drop: false }`
[INFO] [stdout] 32a41c6d2f81e46208b26c14346b10a8f13110dd8e7e73c0a8a92246facf0c84